#ifndef __USER_H__
#define __USER_H__
#include <stdbool.h>
struct User_Node//读者用户类型
{
    char name[32];
    char pwd[32];
    struct User_Node*next;
};
struct H_User
{
    struct User_Node*first;//指向第一个用户
    struct User_Node*last;//指向最后一个用户
    int num;
};

extern struct H_User*Create_User_LinkedList();
extern bool Insert_User_Node(struct H_User*h,char* user_name, char*user_pwd);
#endif